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PDF-based 3D publishing tools for engineers and technical communicators.

View all Tetra4D →
ConverterConvert native 3D CAD files into rich, interactive 3D PDFs.
EnrichAdd interactive animations, step-by-step instructions, and BOM tables to 3D PDFs.
AutomateBatch-convert thousands of CAD files to 3D PDF at server scale.

Universal 3D CAD viewer for fast, lightweight visualization of any format.

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SpinFire InsightView, measure, and collaborate on 3D CAD data from 30+ formats — no CAD seat required.
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